4'-Chloro-3'-fluoro[1,1'-biphenyl]-4-carbaldehyde CAS 842140-45-8
| CAS No. | 842140-45-8 |
| Molecular Formula | C13H8ClFO |
| Molecular Weight | 234.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 4'-Chloro-3'-fluoro[1,1'-biphenyl]-4-carbaldehyde (CAS 842140-45-8), a certified reference material (molecular formula C13H8ClFO, MW 234.65 g/mol) for analytical method development and quality control.
Structurally, 4'-Chloro-3'-fluoro[1,1'-biphenyl]-4-carbaldehyde (C13H8ClFO) contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 234.65 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C13H8ClFO |
| Molecular Weight | 234.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 3'-Chloro-4'-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1181381-74-7)
- 4-Chloro-2-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1214368-61-2)
- 5'-Chloro-2'-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1242339-22-5)
- 2'-Chloro-5'-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1242339-34-9)
- 2'-Chloro-4'-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1242339-55-4)
- 4'-Chloro-2'-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1242339-63-4)
- 3'-Chloro-2'-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1242339-77-0)
- 3'-Chloro-5'-fluoro-[1,1'-biphenyl]-3-carbaldehyde (CAS 1242339-78-1)
Recommended Standards
- 4'-Chloro-3'-fluoro-[1,1'-biphenyl]-2-carbaldehyde (CAS 223575-82-4)
- 4'-Chloro-5-fluoro-[1,1'-biphenyl]-2-carbaldehyde (CAS 60424-47-7)
- 4-(3-Chloro-4-fluorophenyl)benzaldehyde (CAS 718628-28-5)
- 6-(Chlorodifluoromethyl)-2-mercapto-4-methylnicotinonitrile (CAS 832740-39-3)
- 7-[(2S,3R,4R,5S,6R)-3-amino-4,5-dihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-4-methyl-chromen-2-one (CAS 58989-36-9)
- 2-amino-4-methoxy-5-nitrophenol (CAS 1384701-67-0)
- (R,S)-N-Nitroso Anatabine (CAS 887407-16-1)
- 3-Fluoro-2-nitrobenzyl Alcohol (CAS 1214323-11-1)
- 2-Chloro-4-hydrazinylbenzoic acid hydrochloride (CAS 41112-74-7)
- 5-Methyl-dCTP (aqueous solution) (CAS 22003-12-9)
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- Ethyl 4-(5-methylfuran-2-yl)-2,4-dioxobutanoate (CAS 893643-38-4)
- D-Ser32-Tirzepatide (CAS CATO-CPTD788677)
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